CN117403482B - Ballastless track road surface waterproof structure and construction method - Google Patents
Ballastless track road surface waterproof structure and construction method Download PDFInfo
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- CN117403482B CN117403482B CN202311718430.2A CN202311718430A CN117403482B CN 117403482 B CN117403482 B CN 117403482B CN 202311718430 A CN202311718430 A CN 202311718430A CN 117403482 B CN117403482 B CN 117403482B
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- waterproof
- filter screen
- drainage ditch
- track base
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- 238000010276 construction Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 43
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004567 concrete Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000011384 asphalt concrete Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a ballastless track road surface waterproof structure, which comprises: the two sides of the roadbed are provided with drainage ditches, and two track bases are arranged on the roadbed; the waterproof board layer is arranged on the roadbed, and is provided with an opening matched with the track base; two pairs of connecting plates, wherein each pair of connecting plates is symmetrically arranged on two sides of the track base and fixedly arranged on the waterproof plate layer; two pairs of guide plates are clamped on the connecting plate in a one-to-one correspondence manner, and one side, far away from the track base, of each pair of guide plates is provided with a downward inclined surface; the support block is arranged between the track base and the connecting plate; the drainage groove is fixedly arranged below the inclined plane between the two track bases; and a plurality of drainage pipes are arranged at intervals along the length direction of the track, one end of each drainage pipe is communicated with the drainage groove, and the other end of each drainage pipe is communicated with the drainage ditch. And a construction method of the ballastless track road surface waterproof structure. The invention has the advantages of avoiding the water accumulation on the road surface and the rainwater infiltration, along with good waterproof effect, etc.
Description
Technical Field
The present invention relates to the field of railroad tracks. More particularly, the invention relates to a ballastless track road surface waterproof structure and a construction method.
Background
The infiltration of surface water into the roadbed is a main cause of slurry and frost damage of the ballastless track. In order to ensure the stability of the ballastless track subgrade and prevent the subgrade from sedimentation and deformation, the roadbed base surface needs to be sealed in a waterproof mode.
In the prior art, a method for performing waterproof sealing on a road base surface is often adopted, wherein fiber concrete or asphalt concrete layers are arranged on the road base surface, however, the fiber concrete or asphalt concrete layers are greatly influenced by temperature change, and the problems of cracking, pulverization and the like exist, so that the waterproof effect is required to be improved.
Disclosure of Invention
The invention aims to provide a ballastless track road surface waterproof structure and a construction method thereof, which are used for at least solving the problems.
To achieve the objects and other advantages and in accordance with the purpose of the invention, there is provided a ballastless track road surface waterproof structure comprising: the left side and the right side of the roadbed are respectively provided with a drainage ditch, and two track bases are fixedly arranged on the roadbed; the waterproof board layer is fixedly arranged on the roadbed, and an opening matched with the track base is formed in the waterproof board layer; two pairs of connecting plates, wherein each pair of connecting plates is symmetrically arranged on the left side and the right side of the track base and vertically and fixedly arranged on the waterproof board layer; the two pairs of guide plates are in one-to-one correspondence with the two pairs of connecting plates and are clamped at the tops of the connecting plates, one side, far away from the track bases, of each pair of guide plates is provided with a downward inclined surface, and a gap is reserved between the two inclined surfaces between the two track bases; the support block is arranged between the track base and the connecting plate and fills a gap between the track base and the connecting plate and between the track base and the guide plate; the drainage groove is fixedly arranged below the inclined plane between the two track bases; and a plurality of drainage pipes which are arranged at left and right intervals along the length direction of the track, wherein one end of each drainage pipe is communicated with the drainage groove, and the other end of each drainage pipe is communicated with the drainage ditch.
Preferably, the ballastless track road surface waterproof structure further comprises: the waterproof coiled material layer is fixedly arranged on the surfaces of the waterproof plate layer and the connecting plate, extends upwards to the upper part of the side wall of the track base and protrudes out of the top surface of the supporting block.
Preferably, the ballastless track road surface waterproof structure further comprises: and the sealing rubber strip is arranged at the junction of the track base and the top surface of the supporting block, and the part, protruding out of the top surface of the supporting block, of the waterproof coiled material layer is positioned in the sealing rubber strip.
Preferably, the ballastless track road surface waterproof structure comprises a main drainage ditch, wherein a main filter screen which is obliquely arranged is arranged in the main drainage ditch, and the lower end of the main filter screen is positioned at one side of the main drainage ditch far away from the track base; the auxiliary drainage ditch is arranged on one side, far away from the track base, of the main drainage ditch, an auxiliary filter screen which is horizontally arranged is arranged in the auxiliary drainage ditch, the height of the auxiliary filter screen is not higher than that of the lower end of the main filter screen, and the bottom of the auxiliary drainage ditch is located above the bottom of the main drainage ditch and is communicated with the bottom of the main drainage ditch.
Preferably, the ballastless track road base surface waterproof structure, on the main filter screen along its length direction interval be equipped with a plurality of inclined plane baffles, every inclined plane baffle is followed the vertical setting of width direction of main filter screen, main escape canal with be equipped with the mounting panel between the vice escape canal, the mounting panel protrusion the low end of main filter screen, on the mounting panel along its length direction interval be equipped with a plurality of baffles, the bottom of every baffle with the mounting panel articulates, just the baffle can form independent space with adjacent two inclined plane baffles combination.
Preferably, ballastless track road base face waterproof construction, independent space with drain pipe one-to-one, be equipped with the water catch bowl in the independent space, the bottom surface of water catch bowl with main filter screen is parallel, the top surface level sets up, the water catch bowl be close to one side of drain pipe pass through the elastic component with waterproof sheet layer connects, another opposite side is equipped with the check valve, both sides are equipped with the roller brush respectively around the water catch bowl, the bottom of water catch bowl is equipped with the spout, be equipped with the slide rail along its width direction on the main filter screen, the slide rail with the spout cooperation sets up, wherein, under the initial state, the water catch bowl is located under the delivery port of drain pipe, the mounting panel be close to one side of water catch bowl be equipped with check valve complex ejector pin.
Preferably, the ballastless track road surface waterproof structure comprises a steel grating and a steel plate from bottom to top, and the steel plate is provided with the opening.
The invention also provides a construction method of the ballastless track road surface waterproof structure, which comprises the following steps: step one, pouring a roadbed; step two, after the subgrade is initially set, fixing the waterproof board layer on the subgrade; pouring a track base; step four, installing a drainage groove, a connecting plate, a guide plate and a drainage pipe; pouring the supporting block; wherein, all reserve on water drainage tank, connecting plate and the track base and supply the trompil that the drain pipe passed.
The invention at least comprises the following beneficial effects:
according to the invention, the waterproof board layer is additionally arranged on the roadbed, and the connecting plate, the guide plate and the supporting block are arranged in a matched manner, so that the connecting plate, the guide plate and the supporting block can be used for protecting the waterproof board layer and guiding rainwater, so that the rainwater can be quickly collected and discharged through the drainage ditch, the accumulated water and the rainwater infiltration of the roadbed surface are avoided, and the waterproof effect of the roadbed surface is effectively improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic cross-sectional view of a ballastless track base surface waterproof structure according to one embodiment of the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic side view of a main filter according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to examples and drawings to enable those skilled in the art to practice the same and to refer to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a ballastless track road surface waterproof structure, including: the roadbed 1 is provided with drainage ditches 2 on the left side and the right side, and two track bases 3 are fixedly arranged on the roadbed 1; the waterproof board layer 4 is fixedly arranged on the roadbed 1, and an opening matched with the track base 3 is formed in the waterproof board layer 4; two pairs of connecting plates 5, wherein each pair of connecting plates 5 is symmetrically arranged on the left side and the right side of the track base 3 and is vertically and fixedly arranged on the waterproof board layer 4; the two pairs of guide plates 6 are in one-to-one correspondence with the two pairs of connecting plates 5 and are clamped at the tops of the connecting plates 5, one side, away from the track base 3, of each pair of guide plates 6 is provided with a downward inclined surface, and a gap is reserved between the two inclined surfaces between the two track bases; a support block 8 which is provided between the rail mount 3 and the connection plate 5 and fills a gap between the rail mount 3 and the connection plate 5 and the guide plate 6; the drainage groove 9 is fixedly arranged below the inclined plane between the two track bases 3; a plurality of drain pipes 10 disposed at left and right intervals along the length direction of the rail, one end of each drain pipe 10 communicating with the drain groove 9, and the other end communicating with the drain groove 2.
In the above embodiment, the ballastless track base surface waterproof structure comprises a roadbed 1, a drainage ditch 2, a track base 3, a waterproof board layer 4, a connecting board 5, a guide board 6, a supporting block 8, a drainage groove 9 and a drainage pipe 10. The roadbed 1 is formed by pouring concrete; the drainage ditches 2 are arranged at the left side and the right side of the roadbed 1 respectively, and the drainage ditches 2 can be integrally formed when the roadbed 1 is poured; the two track bases 3 are arranged on the top surface of the roadbed 1 at intervals along the width of the track, the track bases 3 are also formed by concrete casting, and the track bases can be cast integrally with the roadbed 1 or can be cast separately; the waterproof board layer 4 is fixedly arranged on the roadbed 1, an opening matched with the track base 3 is formed in the waterproof board layer 4, the track base 3 extends out of the waterproof board layer 4 through the opening to be exposed, and the waterproof board layer 4 is preferably a stainless steel board layer so as to reduce the influence of temperature on the waterproof layer; the two pairs of connecting plates 5 are arranged, one pair of connecting plates 5 corresponds to one track base 3 and is symmetrically arranged on the left side and the right side of the track base 3, each connecting plate 5 is vertically and fixedly arranged on the waterproof plate layer 4, the connecting plates 5 are preferably stainless steel plates, and the connecting plates 5 and the waterproof plate layer 4 can be integrally formed or welded and fixed; the guide plates 6 are provided with two pairs, one pair of guide plates 6 corresponds to one pair of connecting plates 5, each guide plate 6 is clamped at the top of the corresponding connecting plate 5, and one side of each pair of guide plates 6 far away from the track base 3 is provided with a downward inclined surface; the two pairs of supporting blocks 8 are also arranged, the pair of supporting blocks 8 corresponds to the pair of connecting plates 5, each supporting block 8 is arranged between the track base 3 and the connecting plate 5, the supporting blocks 8 are formed by pouring concrete, and gaps between the track base 3 and the connecting plates 5 and gaps between the supporting blocks and the guide plates 6 are filled, so that the track base 3, the connecting plates 5 and the guide plates 6 are fixedly connected to form a whole; the drainage groove 9 is fixedly arranged on the waterproof board layer 4 between the two track bases 3 and is positioned below the inclined plane, and the drainage groove 9 is used for collecting water which is led in by the inclined plane between the two track bases 3; the drain pipe 10 is equipped with a plurality of, and a plurality of drain pipes 10 set up along orbital length direction left and right sides interval, and the one end and the escape canal 9 intercommunication of every drain pipe 10, the other end and escape canal 2 intercommunication, drain pipe 10 are used for leading in escape canal 2 with ponding in the escape canal 9.
According to the invention, the waterproof board layer is additionally arranged on the roadbed, the connecting plate, the guide plate and the supporting block are matched on the waterproof board layer, the waterproof board layer is protected through the connecting plate, the guide plate and the supporting block, the waterproof performance of the waterproof board layer is improved, meanwhile, rainwater can be guided, the rainwater is quickly collected and discharged through the drainage ditches on two sides of the roadbed, the accumulated water and the rainwater infiltration on the roadbed are avoided, and the waterproof effect of the roadbed is further improved.
Further, the inclined plane bottom between two track bases 3 is equipped with a plurality of blocking rods 7 along its length direction interval, and every blocking rod 7 sets up along orbital width direction, just one end of blocking rod 7 is connected with one of them inclined plane bottom, and the other end is 2-5cm with a rest inclined plane bottom interval to adapt to orbital vibration when the train moves, avoid damaging blocking rod, and the interval of two adjacent blocking rods 7 is 2-5cm, in order to avoid rubbish to get into the water drainage tank, causes water drainage tank or drain pipe to block up, influences drainage effect.
In another embodiment, as shown in fig. 1, the ballastless track road surface waterproof structure further includes: the waterproof coiled material layer 11 is fixedly arranged on the surfaces of the waterproof plate layer 4 and the connecting plate 5, extends upwards to the upper part of the side wall of the track base 3 and protrudes out of the top surface of the supporting block 8, and further, the waterproof coiled material is preferably a TPO waterproof coiled material.
In the embodiment, the waterproof coiled material layer is additionally arranged on the surfaces of the waterproof layer and the connecting plate so as to further improve the waterproof effect of the road base surface, the TPO waterproof coiled material can be directly exposed, a protective layer is not needed, and the construction is convenient.
In another embodiment, as shown in fig. 1, the ballastless track road surface waterproof structure further includes: the sealing rubber strip 12 is arranged at the junction of the track base 3 and the top surface of the supporting block 8, and the part of the waterproof coiled material layer 11 protruding out of the top surface of the supporting block 8 is positioned in the sealing rubber strip 12; further, the sealant is preferably a neutral silicone weatherable sealant.
In the above embodiment, the sealing rubber strip is arranged at the junction of the track base and the top surface of the supporting block so as to seal the gap among the track base, the waterproof coiled material layer and the supporting block, so that the waterproof effect of the road base surface is further improved, the neutral silicone weather-proof sealing rubber has strong binding power, no primer is needed, the construction is convenient, and the sealing rubber strip has the characteristics of weather resistance, vibration resistance and large adaptation to cold and hot changes, and meets the requirement of using in the track.
In another embodiment, as shown in fig. 1 and 2, the ballastless track road surface waterproof structure includes a main drainage ditch 13, in which a main filter screen 14 is disposed in an inclined manner, and the lower end of the main filter screen 14 is located at one side of the main drainage ditch 13 away from the track base 3; the auxiliary drainage ditch 15 is arranged on one side of the main drainage ditch 13, which is far away from the track base 3, an auxiliary filter screen 16 which is horizontally arranged is arranged in the auxiliary drainage ditch 15, the height of the auxiliary filter screen 16 is not higher than that of the lower end of the main filter screen 14, and the bottom of the auxiliary drainage ditch 15 is positioned above and communicated with the bottom of the main drainage ditch 13.
In the above embodiment, the drainage ditch is set to include the main drainage ditch and the auxiliary drainage ditch, and the inclined main filter screen is arranged in the main drainage ditch, and the horizontal auxiliary filter screen is arranged in the auxiliary drainage ditch, so that when the water flows too much and the filtering capacity of the main filter screen is insufficient, the water flow automatically flows through the auxiliary filter screen, and is collected into the main drainage ditch after being filtered by the auxiliary filter screen, so that the filtering efficiency of the water flow is improved.
In another embodiment, as shown in fig. 1 and 3, in the ballastless track road surface waterproof structure, a plurality of inclined plane partition plates 17 are arranged on the main filter screen 14 at intervals along the length direction of the main filter screen 14, each inclined plane partition plate 17 is vertically arranged along the width direction of the main filter screen 14, a mounting plate 18 is arranged between the main drain 13 and the auxiliary drain 15, the mounting plate 18 protrudes out of the lower end of the main filter screen 14, a plurality of baffle plates 19 are arranged on the mounting plate 18 at intervals along the length direction of the mounting plate 18, the bottom end of each baffle plate 19 is hinged with the mounting plate 18, and the baffle plates 19 can be combined with two adjacent inclined plane partition plates 17 to form an independent space. Specifically, the front and back sides of baffle 19 bottom through the pivot with the mounting panel rotates to be connected, the cover is equipped with the torsional spring in the pivot, the one end of torsional spring with baffle 19 fixed connection, the other end with mounting panel 18 fixed connection, and under the initial condition, baffle 19 is vertical to be set up.
In the above embodiment, the upper space of the main filter screen is divided into a plurality of independent spaces by surrounding the adjacent two inclined plane baffle plates and the baffle plates, when the water flow rate is small, water directly flows into the main drainage ditch through the main filter screen, when the water flow rate is overlarge or the main filter screen is blocked, the baffle plates are opened under the action of the water flow, so that the water flows into the main drainage ditch through the auxiliary drainage ditch after being filtered by the auxiliary filter screen, and when the baffle plates are opened, garbage on the main filter screen can also enter the auxiliary drainage ditch along with the water flow and is intercepted by the auxiliary filter screen, thereby realizing the collection of garbage on the main filter screen and self-cleaning of the main filter screen.
In another embodiment, as shown in fig. 1 and 3, the ballastless track road surface waterproof structure, the independent space corresponds to the drain pipes 10 one by one, a water collecting tank 20 is arranged in the independent space, the bottom surface of the water collecting tank 20 is parallel to the main filter screen 14, the top surface of the water collecting tank 20 is horizontally arranged, one side of the water collecting tank 20, which is close to the drain pipes 10, is connected with the waterproof board layer 4 through an elastic piece 21, the other opposite side is provided with a one-way valve, the front side and the rear side of the water collecting tank 20 are respectively provided with a roller brush 22, the bottom of the water collecting tank 20 is provided with a chute, the main filter screen 14 is provided with a slide rail along the width direction thereof, the slide rail is matched with the chute, wherein in an initial state, the water collecting tank 20 is positioned under a water outlet of the drain pipes 10, and one side of the mounting plate 18, which is close to the water collecting tank 20, is provided with a push rod 23 matched with the one-way valve. Specifically, the elastic member 21 is preferably a spring, the elastic direction of the elastic member is parallel to the width direction of the main filter 14, the roller brush 22 is disposed along the length direction of the main filter 14, one end of the roller brush 22 is rotatably connected with the water collecting tank 20, the other end of the roller brush is close to the inclined plane partition 17, and the one-way valve is an inward opening one-way valve that can be opened under the pushing of the ejector rod 23.
In the above embodiment, the water collecting tank is additionally arranged in the independent space and is arranged under the water outlet of the drain pipe, so that when water in the water collecting tank is collected, the water collecting tank can automatically slide downwards along the sliding rail and drive the roller brush to rotate under the action of gravity as a power source to clean the main filter screen, when the water collecting tank moves to the lower end of the main filter screen, the top of the water collecting tank collides with the upper part of the baffle plate to push the baffle plate to open, so that garbage collected by the roller brush enters the auxiliary drain ditch under the action of water flow, and meanwhile, the ejector rod is inserted into the one-way valve to push the one-way valve to open, so that the water in the water collecting tank is discharged, then the spring contracts to drive the water collecting tank to move upwards, and the process is repeated to realize reciprocating self-cleaning of the main filter screen.
In another embodiment, as shown in fig. 1, the ballastless track road surface waterproof structure comprises a steel grating and a steel plate from bottom to top, wherein the steel plate layer 4 is provided with the opening.
In the above-mentioned embodiment, set up the lower floor of waterproof sheet layer into steel grating to in embedding waterproof sheet layer into the road bed through steel grating, improve the connection effect of waterproof sheet layer and road bed, set up the upper strata of waterproof sheet layer into the steel sheet, with the holistic water-proof effects of improvement waterproof sheet layer, set up the opening on the steel sheet, with convenient ligature track base reinforcing bar and pour the track base.
The invention also provides a construction method of the ballastless track road surface waterproof structure, which comprises the following steps: step one, pouring a roadbed 1; step two, after the roadbed 1 is initially set, fixing the waterproof board layer 4 on the roadbed; pouring a track base 3; step four, installing a drainage groove 9, a connecting plate 5, a guide plate 6 and a drainage pipe 10; pouring a supporting block 8; wherein, openings for the drain pipe 10 to pass through are reserved on the drain groove 9, the connecting plate 5 and the track base 3.
Further, the method further comprises the step six of beating sealing glue at the junction of the track base and the top surface of the supporting block to form a sealing adhesive tape.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the ballastless track base surface waterproof structure and the construction method of the present invention will be apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. Ballastless track road surface waterproof construction, its characterized in that includes:
the left side and the right side of the roadbed are respectively provided with a drainage ditch, and two track bases are fixedly arranged on the roadbed;
the waterproof board layer is fixedly arranged on the roadbed, an opening matched with the track base is formed in the waterproof board layer, and the waterproof board layer is a stainless steel board layer;
two pairs of connecting plates, wherein each pair of connecting plates are symmetrically arranged on the left side and the right side of the track base, are vertically and fixedly arranged on the waterproof board layer, and are stainless steel plates;
the two pairs of guide plates are in one-to-one correspondence with the two pairs of connecting plates and are clamped at the tops of the connecting plates, one side, far away from the track bases, of each pair of guide plates is provided with a downward inclined surface, and a gap is reserved between the two inclined surfaces between the two track bases;
the support block is arranged between the track base and the connecting plate and fills a gap between the track base and the connecting plate and between the track base and the guide plate;
the drainage groove is fixedly arranged below the inclined plane between the two track bases;
a plurality of drain pipes which are arranged at left and right intervals along the length direction of the track, wherein one end of each drain pipe is communicated with the drain groove, and the other end of each drain pipe is communicated with the drain groove;
the waterproof coiled material layer is fixedly arranged on the surfaces of the waterproof plate layer and the connecting plate, extends upwards to the upper part of the side wall of the track base and protrudes out of the top surface of the supporting block, and is a TPO waterproof coiled material;
and the sealing rubber strip is arranged at the junction of the track base and the top surface of the supporting block, and the part, protruding out of the top surface of the supporting block, of the waterproof coiled material layer is positioned in the sealing rubber strip.
2. The ballastless track road base waterproof structure of claim 1, wherein the drainage ditch comprises a main drainage ditch, a main filter screen is obliquely arranged in the main drainage ditch, and the lower end of the main filter screen is positioned on one side of the main drainage ditch away from the track base; the auxiliary drainage ditch is arranged on one side, far away from the track base, of the main drainage ditch, an auxiliary filter screen which is horizontally arranged is arranged in the auxiliary drainage ditch, the height of the auxiliary filter screen is not higher than that of the lower end of the main filter screen, and the bottom of the auxiliary drainage ditch is located above the bottom of the main drainage ditch and is communicated with the bottom of the main drainage ditch.
3. The ballastless track road base surface waterproof structure of claim 2, wherein a plurality of inclined plane partition plates are arranged on the main filter screen at intervals along the length direction of the main filter screen, each inclined plane partition plate is vertically arranged along the width direction of the main filter screen, a mounting plate is arranged between the main drainage ditch and the auxiliary drainage ditch, the mounting plate protrudes out of the lower end of the main filter screen, a plurality of baffle plates are arranged on the mounting plate at intervals along the length direction of the mounting plate, the bottom end of each baffle plate is hinged with the mounting plate, and the baffle plates can be combined with two adjacent inclined plane partition plates to form an independent space.
4. A ballastless track road base surface waterproof structure according to claim 3, characterized in that the independent space corresponds to the drain pipe one by one, a water collecting tank is arranged in the independent space, the bottom surface of the water collecting tank is parallel to the main filter screen, the top surface of the water collecting tank is horizontally arranged, one side of the water collecting tank, which is close to the drain pipe, is connected with the waterproof board layer through an elastic piece, the other opposite side of the water collecting tank is provided with a one-way valve, the front side and the rear side of the water collecting tank are respectively provided with a roller brush, the bottom of the water collecting tank is provided with a sliding groove, the main filter screen is provided with a sliding rail along the width direction of the main filter screen, the sliding rail is matched with the sliding groove, wherein in an initial state, the water collecting tank is positioned under a water outlet of the drain pipe, and one side of the mounting plate, which is close to the water collecting tank, is provided with a push rod matched with the one-way valve.
5. The ballastless track base surface waterproof structure of claim 1, wherein the waterproof board layer comprises a steel grating and a steel plate from bottom to top, and the steel plate is provided with the opening.
6. A method of constructing a ballastless track base-level waterproof structure as recited in any one of claims 1 to 5, comprising:
step one, pouring a roadbed;
step two, after the subgrade is initially set, fixing the waterproof board layer on the subgrade;
pouring a track base;
step four, installing a drainage groove, a connecting plate, a guide plate and a drainage pipe;
pouring the supporting block; wherein,
openings for the drain pipe to pass through are reserved on the drain groove, the connecting plate and the track base.
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| CN117403482A (en) | 2024-01-16 |
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